{"product_id":"j-strap-heavy-duty-bifold-barn-door-hardware-kit-4-door-biparting","title":"J-Strap Heavy Duty Bifold Barn Door Hardware Kit | 4-Door Biparting","description":"\u003cp\u003eThe J-strap heavy duty 4-door biparting bifold kit folds four panels accordion-style along a wall-mounted track, with two panels folding and stacking to each side of the opening — built for solid-wood panels, oversized doors, and installations where standard duty hardware isn't enough. J-strap hangers mount to the front face of the outer panel on each side, carrying the familiar J-strap aesthetic across the full installation. When open, the entire span clears symmetrically with 5 in of folded hardware on each side.\u003c\/p\u003e\n\u003cp\u003eThis is a Goldberg Brothers heavy duty kit, made to order in Colorado with a limited lifetime warranty. Available in all 17 Goldberg Brothers powder coat finishes. Two 7 in pull handles are included — one per side. Ships in 10–15 business days. Total system weight capacity is 800 lbs across all four panels.\u003c\/p\u003e\n\u003cp\u003eBiparting requires wall clearance on both sides — for a fully clear opening, only 5 in of clear wall is needed on each side. If clearance only exists on one side, see our \u003ca href=\"https:\/\/thebarndoorhardwarestore.com\/collections\/4-doors-one-way-bifold-kits\" title=\"4-door one-way\"\u003e4-door one-way\u003c\/a\u003e kits instead. For lighter or thinner panels within the standard duty range, \u003ca href=\"https:\/\/thebarndoorhardwarestore.com\/products\/j-strap-4-door-bi-parting-bifold-barn-door-hardware-kit\" title=\"standard duty 4-door biparting hardware\"\u003estandard duty 4-door biparting hardware\u003c\/a\u003e is less expensive and fully sufficient.\u003c\/p\u003e","brand":"The Barn Door Hardware Store","offers":[{"title":"Matte Black Texture \/ 1-3\/8in to 1-3\/4in","offer_id":48044946129154,"sku":"GLDBRGHDBIFLD4DRBI-JTPMT-50","price":755.0,"currency_code":"USD","in_stock":true},{"title":"Matte Black Texture \/ 1-3\/4in to 2-1\/4in","offer_id":48044946161922,"sku":"GLDBRGHDBIFLD4DRBI-JTPMT-67","price":770.0,"currency_code":"USD","in_stock":true},{"title":"Raw Steel \/ 1-3\/8in to 1-3\/4in","offer_id":48044946194690,"sku":"GLDBRGHDBIFLD4DRBI-JTPMT-51","price":755.0,"currency_code":"USD","in_stock":true},{"title":"Raw Steel \/ 1-3\/4in to 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2-1\/4in","offer_id":48044946424066,"sku":"GLDBRGHDBIFLD4DRBI-JTPMT-65","price":810.0,"currency_code":"USD","in_stock":true},{"title":"Arch Bronze \/ 1-3\/8in to 1-3\/4in","offer_id":48044946456834,"sku":"GLDBRGHDBIFLD4DRBI-JTPMT-47","price":794.0,"currency_code":"USD","in_stock":true},{"title":"Arch Bronze \/ 1-3\/4in to 2-1\/4in","offer_id":48044946489602,"sku":"GLDBRGHDBIFLD4DRBI-JTPMT-64","price":810.0,"currency_code":"USD","in_stock":true},{"title":"Rustic Brown \/ 1-3\/8in to 1-3\/4in","offer_id":48044946522370,"sku":"GLDBRGHDBIFLD4DRBI-JTPMT-46","price":953.0,"currency_code":"USD","in_stock":true},{"title":"Rustic Brown \/ 1-3\/4in to 2-1\/4in","offer_id":48044946555138,"sku":"GLDBRGHDBIFLD4DRBI-JTPMT-63","price":972.0,"currency_code":"USD","in_stock":true},{"title":"Jacob's Gold \/ 1-3\/8in to 1-3\/4in","offer_id":48044946587906,"sku":"GLDBRGHDBIFLD4DRBI-JTPMT-45","price":953.0,"currency_code":"USD","in_stock":true},{"title":"Jacob's Gold \/ 1-3\/4in to 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